I'm not bipolar, but bipolar disorder is one of my biggest special interests. So, there are several songs out there that remind me of how I THINK mania would feel. "Happy Feet" from The Aviator makes me think of moderate euphoric ("classic") mania, before things get too out of control. Lady Gaga's "Bloody Mary" makes me think of psychotic mania with grandiose delusions of a religious nature. I like the background "whisper"-like effects in the song, because it sort of sounds like hearing hallucinatory voices. "Kryptonite" by 3 Doors Down makes me think of mixed mania or "dysphoric" mania. I think the lyric "if I go crazy, then will you still call me 'Superman'?" fits a bipolar theme very nicely.
For a condition I actually do have (OCD), a great song is "Fascinating Rhythm." The words describe obsessions very well.
I've never listened to "Lithium", but I want to hear it now! Very intriguing!
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Helinger: Now, what do you see, John?
Nash: Recognition...
Helinger: Well, try seeing accomplishment!
Nash: Is there a difference?